src/dolphincontroller.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at)                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20 #include "dolphincontroller.h"
  21 #include "zoomlevelinfo.h"
  22
  23 #include <kdirmodel.h>
  24 #include <QAbstractProxyModel>
  25 #include <QApplication>
  26 #include <QClipboard>
  27 #include <QDir>
  28
  29 DolphinController::DolphinController(DolphinView* dolphinView) :
  30     QObject(dolphinView),
  31     m_zoomLevel(0),
  32     m_mouseButtons(Qt::NoButton),
  33     m_url(),
  34     m_dolphinView(dolphinView),
  35     m_itemView(0)
  36 {
  37 }
  38
  39 DolphinController::~DolphinController()
  40 {
  41 }
  42
  43 void DolphinController::setUrl(const KUrl& url)
  44 {
  45     if (m_url != url) {
  46         m_url = url;
  47         emit urlChanged(url);
  48     }
  49 }
  50
  51 void DolphinController::setItemView(QAbstractItemView* view)
  52 {
  53     if (m_itemView != 0) {
  54         disconnect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  55                    this, SLOT(updateMouseButtonState()));
  56     }
  57
  58     m_itemView = view;
  59
  60     if (m_itemView != 0) {
  61         m_zoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_itemView->iconSize());
  62
  63         // TODO: this is a workaround until  Qt-issue 176832 has been fixed
  64         connect(m_itemView, SIGNAL(pressed(const QModelIndex&)),
  65                 this, SLOT(updateMouseButtonState()));
  66     }
  67 }
  68
  69 void DolphinController::triggerUrlChangeRequest(const KUrl& url)
  70 {
  71     if (m_url != url) {
  72         emit requestUrlChange(url);
  73     }
  74 }
  75
  76 void DolphinController::triggerContextMenuRequest(const QPoint& pos)
  77 {
  78     emit activated();
  79     emit requestContextMenu(pos);
  80 }
  81
  82 void DolphinController::requestActivation()
  83 {
  84     emit activated();
  85 }
  86
  87 void DolphinController::indicateDroppedUrls(const KFileItem& destItem,
  88                                             const KUrl& destPath,
  89                                             QDropEvent* event)
  90 {
  91     emit urlsDropped(destItem, destPath, event);
  92 }
  93
  94
  95 void DolphinController::indicateSortingChange(DolphinView::Sorting sorting)
  96 {
  97     emit sortingChanged(sorting);
  98 }
  99
 100 void DolphinController::indicateSortOrderChange(Qt::SortOrder order)
 101 {
 102     emit sortOrderChanged(order);
 103 }
 104
 105 void DolphinController::indicateAdditionalInfoChange(const KFileItemDelegate::InformationList& info)
 106 {
 107     emit additionalInfoChanged(info);
 108 }
 109
 110 void DolphinController::indicateActivationChange(bool active)
 111 {
 112     emit activationChanged(active);
 113 }
 114
 115 void DolphinController::setZoomLevel(int level)
 116 {
 117     Q_ASSERT(level >= ZoomLevelInfo::minimumLevel());
 118     Q_ASSERT(level <= ZoomLevelInfo::maximumLevel());
 119     if (level != m_zoomLevel) {
 120         m_zoomLevel = level;
 121         emit zoomLevelChanged(m_zoomLevel);
 122     }
 123 }
 124
 125 void DolphinController::handleKeyPressEvent(QKeyEvent* event)
 126 {
 127     Q_ASSERT(m_itemView != 0);
 128
 129     const QItemSelectionModel* selModel = m_itemView->selectionModel();
 130     const QModelIndex currentIndex = selModel->currentIndex();
 131     const bool trigger = currentIndex.isValid()
 132                          && (event->key() == Qt::Key_Return)
 133                          && (selModel->selectedIndexes().count() > 0);
 134     if (trigger) {
 135         const QModelIndexList indexList = selModel->selectedIndexes();
 136         foreach (const QModelIndex& index, indexList) {
 137             emit itemTriggered(itemForIndex(index));
 138         }
 139     }
 140 }
 141
 142 void DolphinController::replaceUrlByClipboard()
 143 {
 144     const QClipboard* clipboard = QApplication::clipboard();
 145     QString text;
 146     if (clipboard->mimeData(QClipboard::Selection)->hasText()) {
 147         text = clipboard->mimeData(QClipboard::Selection)->text();
 148     } else if (clipboard->mimeData(QClipboard::Clipboard)->hasText()) {
 149         text = clipboard->mimeData(QClipboard::Clipboard)->text();
 150     }
 151     if (!text.isEmpty() && QDir::isAbsolutePath(text)) {
 152         m_dolphinView->setUrl(KUrl(text));
 153     }
 154 }
 155
 156 void DolphinController::emitHideToolTip()
 157 {
 158     emit hideToolTip();
 159 }
 160
 161 KFileItem DolphinController::itemForIndex(const QModelIndex& index) const
 162 {
 163     Q_ASSERT(m_itemView != 0);
 164
 165     QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(m_itemView->model());
 166     KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
 167     const QModelIndex dirIndex = proxyModel->mapToSource(index);
 168     return dirModel->itemForIndex(dirIndex);
 169 }
 170
 171 void DolphinController::triggerItem(const QModelIndex& index)
 172 {
 173     if (m_mouseButtons & Qt::LeftButton) {
 174         const KFileItem item = itemForIndex(index);
 175         if (index.isValid() && (index.column() == KDirModel::Name)) {
 176             emit itemTriggered(item);
 177         } else {
 178             m_itemView->clearSelection();
 179             emit itemEntered(KFileItem());
 180         }
 181         m_mouseButtons = Qt::NoButton;
 182     } else if (m_mouseButtons & Qt::RightButton) {
 183         m_mouseButtons = Qt::NoButton;
 184     }
 185 }
 186
 187 void DolphinController::requestTab(const QModelIndex& index)
 188 {
 189     if (m_mouseButtons & Qt::MidButton) {
 190         const KFileItem item = itemForIndex(index);
 191         const bool validRequest = index.isValid() &&
 192                                   (index.column() == KDirModel::Name) &&
 193                                   (item.isDir() || m_dolphinView->isTabsForFilesEnabled());
 194         if (validRequest) {
 195             emit tabRequested(item.url());
 196         }
 197         m_mouseButtons = Qt::NoButton;
 198     } else if (m_mouseButtons & Qt::RightButton) {
 199         m_mouseButtons = Qt::NoButton;
 200     }
 201 }
 202
 203 void DolphinController::emitItemEntered(const QModelIndex& index)
 204 {
 205     KFileItem item = itemForIndex(index);
 206     if (!item.isNull()) {
 207         emit itemEntered(item);
 208     }
 209 }
 210
 211 void DolphinController::emitViewportEntered()
 212 {
 213     emit viewportEntered();
 214 }
 215
 216 void DolphinController::updateMouseButtonState()
 217 {
 218     m_mouseButtons = QApplication::mouseButtons();
 219 }
 220
 221 #include "dolphincontroller.moc"